The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little green men on the Red Planet ...
Daily Mail on MSN
Strange formation in NASA's Mars photo fuels claims of extraterrestrial life on the Red Planet
An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.
A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.
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